The utility model discloses a ring, including indicating circle, mount pad and inlay the seat that wherein, the mount pad links firmly on the surface that indicates the circle, set up on the mount pad with inlaying a slidable, can find out from the above -mentioned structure, inlay the seat and circle in indicating through mount pad sliding connection, realized with the flexonics that indicates the circle, when receiving the striking, it can be for indicating that the circle slides to inlay the seat to play certain cushioning effect, avoid impaired.